Stealth Transactions and Reusable Payment Codes: How Bitcoin Addresses Can Be Hidden in Plain Sight

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Bitcoin, right now, is not unequivocally anonymous. While Bitcoin addresses aren’t indispensably related to real-world identities, they can be. Monitoring a unencrypted peer-to-peer network, research of a open blockchain and know your patron (KYC) process or anti-money laundering (AML) law can exhibit a lot about who’s regulating bitcoin and for what.

This is not good from a remoteness perspective. Bitcoin users competence not indispensably wish a universe to know where they spend their money, what they acquire or how most they own, while businesses might not wish to trickle transaction sum to competitors, to name some examples.

Additionally, bitcoins being traceable, presumably “tainted,” and potentially value reduction than other bitcoins is during contingency with fungibility. This could even plea bitcoin’s value tender as money.

But there are intensity solutions to boost remoteness and urge fungibility.

One resolution to residence this emanate – Stealth Transactions – was introduced in 2014; and a new turn on this judgment – Reusable Payment Codes – was due final year.

The Problem

In partial to boost remoteness (there are confidence advantages as well), it is endorsed that Bitcoin users beget a code new residence for any transaction they receive. While this is not an indisputable resolution in itself, this can


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